Three-Dimensional Molding Equipment and Manufacturing Method For Three-Dimensional Shape Plastic Object
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United States of America Patent
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Oct 8, 2015
app pub date -
Nov 29, 2014
filing date -
Apr 4, 2014
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Abstract
Three-dimensional molding equipment includes powder supply equipment which forms powder layer in a laminating process; and a beam scanning unit which radiates a light or electron beam to the powder layer and moves a radiated location of the beam to sinter the powder layer, wherein the laminating and sintering processes alternately repeat, a molding path to be a scanning route of the beam on the inside of an object to be molded is preliminarily set as a continuous route which does not pass a same line and does not form any intersection, and the beam is continuously radiated along the molding path, wherein two molding paths adjacent each other formed of two straight or curve lines are set, and a distance between the adjacent scanning routes is formed larger than a radiation diameter of the beam and not larger than ten-times the radiation diameter of the same.
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